Flora of New Zealand Series

≡Lecidea microdactyla C.Knight, Trans. N. Z. Inst. 12: 375 (1880).

=Parmeliella mucorina Zahlbr., Denkschr. Akad. Wiss. Wien math.-naturwiss. Kl. 104: 272 (1941).

=Lecidea carpodeti Zahlbr., Denkschr. Akad. Wiss. Wien math.-naturwiss. Kl. 104: 308 (1941).

Lectotype: New Zealand. Sine loco [probably Wellington], Charles Knight – BM [fide Galloway (1985a: 391)]. Isolectotype – WELT.

Parmeliella mucorina. Holotype: New Zealand. Wellington, Greatford, on Melicytus ramiflorus, vii.1933, H.H. Allan 138 [ex Herb. Plant Research Station, Palmerston North] – W 2304. Isotype – CHR 374721.

Lecidea carpodeti. Lectotype: New Zealand. Otago, Boyd's Bush near Dunedin, on Carpodetus serratus, J.S. Thomson T492 [ZA 566] – CHR 347017 [fide Galloway (1985a: 391)]. Isolectotype – OTA.

Description : Flora (1985: 391).

Chemistry : TLC−, all reactions negative.

N: Northland (Three Kings Is, Mt Auckland), South Auckland (Mt Maungatawhiri, Coromandel Peninsula), Wellington (Greatford, Kitchener Park Feilding). S: Otago (Boyd's Bush, Toko Mouth, The Nuggets). On bark of trees and shrubs (especially Melicytus ramiflorus) in shaded, humid, lowland coastal forest.

Endemic

Ilustration : Knight (1880: pl. XIII, fig. 37 – as Lecidea microdactyla).

Phyllopsora microdactyla is characterised by: the corticolous habit; the byssoid–coralloid, granular to microphylline squamules on a pale, byssoid prothallus; prominent, finger-like terete isidia, 0.5–2 mm tall; scattered, solitary, yellow-brown convex apothecia; simple, cylindrical–ellipsoidal ascospores, (10–)15–21 × 3–3.5 μm; and a negative thallus chemistry.